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tangare [24]
3 years ago
15

Find the product of 21 and (6.3 • 10-4)

Mathematics
1 answer:
tia_tia [17]3 years ago
8 0
21 (6.3 * 10^-4) = 
21 (6.3 * 1/10^4) =
21 (6.3/10^4) =
21 (6.3/10000) = 
21 * .00063 =
0.01323

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3 years ago
A high school football pennant is in the shape of an isosceles triangle. The base is 18 inches long. The sides meet at an angle
Oksanka [162]

Answer:

The length of each side is 26.3 cm

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Opposite sides of an isoceles triangle are equal

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When the isoceles triangle is divided, the angle in the right-angled triangle is 20° (1/2 of 40°) and the base is 9cm (1/2 of 18 cm), the hypotenuse side is calculated using trigonometric ratio

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3 0
4 years ago
Write y=(x-7)(x-1) in standard form
Oxana [17]
  In order to write this quadratic equation in standard form, first note that standard form is ax^2+bx+c for quadratics, where c is the numerical value (constant), B is the coefficient of x, and a is the coefficient of x^2 and is the leading coefficient. Next, multiply the binomials of (x-7) and (x-1). You can do this by using FOIL, or by distributing each of the terms in a binomial to each of the other terms in the other binomial. (Please let me know if you need a walk through in this step in particular). Furthermore, you should then write y= (the simplified trinomial). Now, the quadratic is in standard form. To reiterate, just simplify the two binomials by multiplying them together and writing that they're equal to y.
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3 years ago
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Nana76 [90]
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8 0
4 years ago
a survey asked 72 randomly chosen students if they were going to attend the school play. twelve said yes. if there are 210 ticke
Ugo [173]
We can solve this by setting up a proportion:

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4 0
3 years ago
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